<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        //向对象中添加方法 up down
        let game = {}

        

        //声明一个对象
        let methods = {
            up: Symbol(),
            down: Symbol()
        };

        game[methods.up] = function() {
            console.log("我可以改变形状");
        }

        game[methods.down] = function() {
            console.log("我可以快速的下降!");
        }

        console.log(game);





        let youxi = {
            name: '狼人杀',
            [Symbol('say')] : function() {
                console.log('我可以发言');
            },
            [Symbol('zibao')]: function() {
                console.log('我可以自爆');
            }
        }

        console.log(youxi);
    </script>
</body>
</html>